Champagne drilling well _ champagne drill why so cheap

What is a champagne drill? Champagne drill is refers to the color is less than or equal to M and N diamond, a light yellow. A little a few champagne diamond prices have tens of thousands of carats. Are natural diamonds, as well as appraisal certificate, champagne drilling and why is it so cheap? First of all we have to get to know the diamond color, according to the appraisal standard of the American college of gem GIA, diamond color standard from the English letters to Z D, where D level belongs to completely colorless, the highest level of color, is extremely rare. E belong to colorless, only gemstone identification expert can detect traces of color, it is very rare diamonds. F is colorless, only a small amount of color gem experts can be detected, but is still considered colorless, belong to high quality diamonds. G— H level close to colorless, when compared with high color grade diamond, there is a slight color, but this kind of color grade diamond still has very high value. I— J level close to colorless, can detect the slight color, high value. K— M class color is deeper, fire color difference, suggested that the customer does not use. N— Z level color is deeper, fire color difference, also suggested that the customer does not use. Why champagne drill cheap? Champagne drill is mainly refers to the color for the diamond of M or N, partial businessman when colored diamonds sold it, but it seems to the personage inside course of study, its value is much less than the colored diamonds. But a few years ago, people only buy diamond size, auction 'champagne diamonds' is very good to sell, 1 carat 5000 yuan to 6000 yuan. At a time when a quality very good 1 carat diamond prices basic in 30000 yuan to 50000 yuan. And now, 'champagne diamonds' has been difficult to attract buyers, rather good diamond prices have more than 100000 yuan. Generally speaking, the same weight, color, clarity, cut diamond price difference within 3%; Same weight different diamond and color level, price difference in 20% to 30%; Cut the price of different difference in 30% to 40%. 1 carat diamond, same color, clarity, cut is very good, compared with less price gap will be as high as 70% to 80%. Therefore, if your custom diamond used for collection, not only depends on the weight, color, clarity and cut. With diamond more knowledge on jewelry.